Table 1

Evaluation of Oswestry Disability Index and VAS measurements

Oswestry *(mean ± SD)VAS† [mean ± SD (median)]
Preoperative63.77 ± 627.05 ± 0.80 (7)
POM 322.0 ± 9.892.33 ± 1.08 (2.5)
POM 1215.78 ± 6.851.17 ± 0.98 (1)
POM 248.89 ± 4.50.78 ± 0.73 (1)
P value.001‡.001‡
Post hocPreoperative > POM 3 (.001‡)Preoperative > POM 3 (.001‡)
Preoperative > POM 12 (.001‡)Preoperative > POM 12 (.001‡)
Preoperative > POM 24 (.001‡)Preoperative > POM 24 (.001‡)
POM 3 > POM 12 (.016§)POM 3 > POM 12 (.002‡)
POM 3 > POM 24 (.001‡)POM 3 > POM 24 (.001‡)
POM 12 > POM 24 (.001‡)POM 12 > POM 24 (.035§)

  • Abbreviation: POM, postoperative month.

  • ↵* Repeated-measures test/post hoc Bonferroni test was used.

  • ↵† Friedman test/post hoc Wilcoxon signed-rank test was used.

  • ↵‡ P < .01.

  • ↵§ P < .05.